package com.shopping.util;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Properties;

/**
 * Created by geely
 */
//读取配置文件shop.propertiesp
public class PropertiesUtil {
private static Logger logger =LoggerFactory.getLogger(PropertiesUtil.class);
private static Properties props;

  static {
      String fileName="shop.properties";
      props=new Properties();
    try{
        props.load(new InputStreamReader(PropertiesUtil.class.getClassLoader().getResourceAsStream(fileName),"UTF-8"));
    }catch (IOException e){
        logger.error("配置文件读取错误",e);
    }

  }
public static String getProperty(String key){
    String value=props.getProperty(key.trim());
    if (StringUtils.isBlank(value)){
         return null;
    }
    return value.trim();
  }
    public static String getProperty(String key,String defaultValue){
        String value=props.getProperty(key.trim());
        if (StringUtils.isBlank(value)){
            key=defaultValue;
        }
        return value.trim();
    }



}
